Threesome With Brother's Wife
Copyright© 2025 by Osa Oladapo
Chapter 4
Incest Sex Story: Chapter 4 - Osa goes to her brothers house for his birthday party, but things go different than expected.
Caution: This Incest Sex Story contains strong sexual content, including Ma/Fa Fa/Fa Reluctant Lesbian BiSexual Heterosexual Fiction Sharing Incest Brother Sister FemaleDom Light Bond Black Male Black Female Black Couple Cream Pie Pregnancy Small Breasts
Quivina’s suggestion hung in the air, a wicked promise. She didn’t wait for an answer. Her sleek form moved with a predator’s grace around the side of the desk. Her hands went to the hem of her black dress, and in one smooth motion, she pulled it up and over her head, letting it fall to the floor.
In the dim light, her body was a study in elegant desire. Where Osa was all sleek lines and subtle curves, Quivina was voluptuous and soft. Her breasts were larger, full and round with dusky, pointed nipples. A flat, toned stomach led down to a neatly trimmed triangle of dark hair, her pussy lips a subtle, closed seam. Her back arched as she climbed onto the heavy desk, the wood groaning under the new weight.
“On your side, sweet sister-in-law,” Quivina instructed, her voice low. “Let’s get comfortable.” Osa, still impaled on Adunbi’s semi-hard thickness, whimpered as he slowly, carefully withdrew. A thick stream of his cum, white and viscous, leaked from her stretched opening, dripping onto the dark wood. She shifted, turning onto her side, facing Quivina. Adunbi moved with her, settling behind her, his chest to her back. His cock, still glistening with their mixed fluids, rested heavily against the cleft of her ass.
Quivina positioned herself facing Osa, lowering herself until her face was level with Osa’s dripping pussy. Then she swung one leg over Osa’s head, settling her own sex just above Osa’s mouth. “There,” she purred. “Now we can all play.”
The sight was obscenely intimate. Osa’s sleek body was curled between them, Adunbi a wall of muscle at her back, Quivina a lush goddess at her front. Osa’s eyes were wide, her lips parted. She tilted her head up, her tongue darting out to tentatively taste Quivina’s lower lips.
Quivina moaned, a soft, appreciative sound. “Good girl.” Then she lowered her mouth to Osa’s waiting sex.
At the same time, Adunbi gripped his cock. It was still enormous—a long, thick column of dark flesh, the shaft a map of throbbing veins, the head a broad, purple crown beading with fresh pre-cum. He guided it back to Osa’s entrance, which was swollen and glistening, leaking his previous load. He pressed the fat head against her.
“Fuck,” Osa gasped against Quivina’s folds, the vibration making Quivina shudder.
Adunbi pushed. Her body, already stretched and used, yielded more easily this time, but the tightness was still staggering. The thick corona popped past her outer lips, sinking into that incredible, silken heat. He fed her his length in one slow, continuous thrust, feeling her inner walls stretch and cling to him, milking the remnants of his first climax from his shaft. When his hips met the curve of her ass, he was fully seated, his balls tight against her. A low groan rumbled from his chest.
Quivina’s mouth was busy, her tongue lapping at Osa’s sensitive folds, tracing the longer inner lips, then zeroing in on the swollen, hard nub of her clit. Osa cried out, her own tongue pushing deeper into Quivina’s pussy in response.
Adunbi began to move. This was a different angle, deeper somehow. Each withdrawal made a wet, sucking sound as her stretched pussy tried to hold onto him. Each thrust forward was a solid, deep invasion. He fucked her with long, measured strokes, setting a rhythm that rocked her entire body against Quivina’s face.
“Yes, just like that,” Quivina moaned, coming up for air, her chin slick. “Fuck her deep, Adu. She’s so open for you. I can taste you both in her. I can taste your fucking cum inside your sister’s cunt.” Her words were filthy, precise. She dove back down, sucking Osa’s clit between her lips.
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